DragonX/dragonx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 2 Wiki Activity

add check for transaction fee

Browse Source
This commit is contained in:
blackjok3r
2019-03-26 14:23:35 +08:00
parent 766d07857f
commit c7ac37f03a
1 changed files with 8 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/cc/rewards.cpp
View File

@@ -197,6 +197,9 @@ bool RewardsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &t
uint256 txid,fundingtxid,hashBlock,vinfundingtxid; uint64_t vinsbits,sbits,APR,minseconds,maxseconds,mindeposit,amount,reward,txfee=10000; int32_t numvins,numvouts,preventCCvins,preventCCvouts,i; uint8_t funcid; CScript scriptPubKey; CTransaction fundingTx,vinTx; uint256 txid,fundingtxid,hashBlock,vinfundingtxid; uint64_t vinsbits,sbits,APR,minseconds,maxseconds,mindeposit,amount,reward,txfee=10000; int32_t numvins,numvouts,preventCCvins,preventCCvouts,i; uint8_t funcid; CScript scriptPubKey; CTransaction fundingTx,vinTx;
numvins = tx.vin.size(); numvins = tx.vin.size();
numvouts = tx.vout.size(); numvouts = tx.vout.size();
int64_t interest; uint64_t valuein;
CCoinsViewCache &view = *pcoinsTip;
valuein = view.GetValueIn(chainActive.LastTip()->GetHeight(),&interest,tx,chainActive.LastTip()->nTime);
preventCCvins = preventCCvouts = -1; preventCCvins = preventCCvouts = -1;
if ( numvouts < 1 ) if ( numvouts < 1 )
return eval->Invalid("no vouts"); return eval->Invalid("no vouts");
@@ -255,6 +258,11 @@ bool RewardsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &t
if ( (*cp->ismyvin)(tx.vin[i].scriptSig) == 0 ) if ( (*cp->ismyvin)(tx.vin[i].scriptSig) == 0 )
return eval->Invalid("unexpected normal vin for unlock"); return eval->Invalid("unexpected normal vin for unlock");
} }
if ( valuein-tx.GetValueOut() > txfee )
{
fprintf(stderr, "valueout.%li vs valuein.%li txfee.%li\n", tx.GetValueOut(), valuein, txfee);
return eval->Invalid("alright is stealing your money");
}
if ( numvouts == 2 && numvins == 1 ) if ( numvouts == 2 && numvins == 1 )
{ {
if ( tx.vout[0].scriptPubKey.IsPayToCryptoCondition() != 0 ) if ( tx.vout[0].scriptPubKey.IsPayToCryptoCondition() != 0 )
@@ -707,4 +715,3 @@ std::string RewardsUnlock(uint64_t txfee,char *planstr,uint256 fundingtxid,uint2
fprintf(stderr,"amount %.8f -> reward %.8f\n",(double)amount/COIN,(double)reward/COIN); fprintf(stderr,"amount %.8f -> reward %.8f\n",(double)amount/COIN,(double)reward/COIN);
return(""); return("");
} }